bartek commented on code in PR #1698: URL: https://github.com/apache/tika/pull/1698#discussion_r1546211893
########## tika-pipes/tika-fetchers/tika-fetcher-microsoft-graph/src/main/java/org/apache/tika/pipes/fetchers/microsoftgraph/MicrosoftGraphFetcher.java: ########## @@ -0,0 +1,140 @@ +/* + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. + * The ASF licenses this file to You under the Apache License, Version 2.0 + * (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package org.apache.tika.pipes.fetchers.microsoftgraph; + +import java.io.ByteArrayInputStream; +import java.io.IOException; +import java.io.InputStream; +import java.util.Map; + +import com.azure.identity.ClientCertificateCredentialBuilder; +import com.azure.identity.ClientSecretCredentialBuilder; +import com.microsoft.graph.serviceclient.GraphServiceClient; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +import org.apache.tika.config.Field; +import org.apache.tika.config.Initializable; +import org.apache.tika.config.InitializableProblemHandler; +import org.apache.tika.config.Param; +import org.apache.tika.exception.TikaConfigException; +import org.apache.tika.exception.TikaException; +import org.apache.tika.metadata.Metadata; +import org.apache.tika.pipes.fetcher.AbstractFetcher; +import org.apache.tika.pipes.fetchers.microsoftgraph.config.ClientCertificateCredentialsConfig; +import org.apache.tika.pipes.fetchers.microsoftgraph.config.ClientSecretCredentialsConfig; +import org.apache.tika.pipes.fetchers.microsoftgraph.config.MsGraphFetcherConfig; + +/** + * Fetches files from Microsoft Graph API. + * Fetch keys are ${siteDriveId},${driveItemId} + */ +public class MicrosoftGraphFetcher extends AbstractFetcher implements Initializable { + private static final Logger LOGGER = LoggerFactory.getLogger(MicrosoftGraphFetcher.class); + private GraphServiceClient graphClient; + private MsGraphFetcherConfig msGraphFetcherConfig; + private long[] throttleSeconds; + + public MicrosoftGraphFetcher() { + + } + + public MicrosoftGraphFetcher(MsGraphFetcherConfig msGraphFetcherConfig) { + this.msGraphFetcherConfig = msGraphFetcherConfig; + } + + /** + * Set seconds to throttle retries as a comma-delimited list, e.g.: 30,60,120,600 + * + * @param commaDelimitedLongs + * @throws TikaConfigException + */ + @Field + public void setThrottleSeconds(String commaDelimitedLongs) throws TikaConfigException { + String[] longStrings = commaDelimitedLongs.split(","); + long[] seconds = new long[longStrings.length]; + for (int i = 0; i < longStrings.length; i++) { + try { + seconds[i] = Long.parseLong(longStrings[i]); + } catch (NumberFormatException e) { + throw new TikaConfigException(e.getMessage()); + } + } + setThrottleSeconds(seconds); + } + + public void setThrottleSeconds(long[] throttleSeconds) { + this.throttleSeconds = throttleSeconds; + } + + @Override + public void initialize(Map<String, Param> map) { + String[] scopes = msGraphFetcherConfig.getScopes().toArray(new String[0]); + if (msGraphFetcherConfig.getCredentials() instanceof ClientCertificateCredentialsConfig) { + ClientCertificateCredentialsConfig credentials = + (ClientCertificateCredentialsConfig) msGraphFetcherConfig.getCredentials(); + graphClient = new GraphServiceClient( + new ClientCertificateCredentialBuilder().clientId(credentials.getClientId()) + .tenantId(credentials.getTenantId()).pfxCertificate( + new ByteArrayInputStream(credentials.getCertificateBytes())) + .clientCertificatePassword(credentials.getCertificatePassword()) + .build(), scopes); + } else if (msGraphFetcherConfig.getCredentials() instanceof ClientSecretCredentialsConfig) { + ClientSecretCredentialsConfig credentials = + (ClientSecretCredentialsConfig) msGraphFetcherConfig.getCredentials(); + graphClient = new GraphServiceClient( + new ClientSecretCredentialBuilder().tenantId(credentials.getTenantId()) + .clientId(credentials.getClientId()) + .clientSecret(credentials.getClientSecret()).build(), scopes); + } + } + + @Override + public void checkInitialization(InitializableProblemHandler initializableProblemHandler) + throws TikaConfigException { + } + + @Override + public InputStream fetch(String fetchKey, Metadata metadata) throws TikaException, IOException { + int tries = 0; + Exception ex; + do { + try { + long start = System.currentTimeMillis(); + String[] fetchKeySplit = fetchKey.split(","); Review Comment: Download URLs provided for each drive item seem to be unique (we can confirm this) and they are provided in the MS Graph API response. Using the URL would prevent this specificity required in crafting a fetch key. This would simplify the call to the fetcher as well. Thoughts? -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: dev-unsubscr...@tika.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org
